Cleaning device
Latest Beijing Shunzao Technology Co., Ltd. Patents:
Description
The broken lines in the drawings depict portions of the cleaning device that form no part of the claimed design.
Claims
The ornamental design for a cleaning device, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
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Patent History
Patent number: D1019030
Type: Grant
Filed: Oct 16, 2021
Date of Patent: Mar 19, 2024
Assignee: Beijing Shunzao Technology Co., Ltd. (Beijing)
Inventors: Lei Zhao (Beijing), Chongyue Xu (Beijing), Cheng Tang (Beijing), Fei Duan (Beijing), Liang Zhong (Beijing)
Primary Examiner: Kimberly Barnes
Assistant Examiner: Sarah A Nguyen
Application Number: 29/811,785
Type: Grant
Filed: Oct 16, 2021
Date of Patent: Mar 19, 2024
Assignee: Beijing Shunzao Technology Co., Ltd. (Beijing)
Inventors: Lei Zhao (Beijing), Chongyue Xu (Beijing), Cheng Tang (Beijing), Fei Duan (Beijing), Liang Zhong (Beijing)
Primary Examiner: Kimberly Barnes
Assistant Examiner: Sarah A Nguyen
Application Number: 29/811,785
Classifications
Current U.S. Class:
Upright Type (D32/22)